Home / 304,650.44-457,786.70-285,497.20

Finding the Fourth Proportional to 304,650.44, 457,786.70 and 285,497.20

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Solution

The fourth proportional to 304,650.44, 457,786.70 and 285,497.20 is: 429,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,650.44 : 457,786.70 = 285,497.20 : x
  2. Step 2: Convert to fraction form
    304,650.44/457,786.70 = 285,497.20/x
  3. Step 3: Cross multiply
    304,650.44x = 457,786.70 × 285,497.20
  4. Step 4: Simplify right side
    304,650.44x = 130,696,821,047.24
  5. Step 5: Solve for x
    x = 130,696,821,047.24/304,650.44
  6. Step 6: Final answer
    x = 429,005.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.